2020-2025
From January 2018 to December 2024, 75% of Lassa fever confirmed cases were from Ondo (33%), Edo (31%) and Bauchi (11%).
In 2025, as of epi week 15, 87% of LF cases are from Ondo (30%), Bauchi (25%), Edo (16%), and Taraba (16%) States.
Total confirmed cases: 686
Deaths from Confirmed Cases: 129
Case Fatality Ratio: 19%
Number of Health Care Workers: 21
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 1277 | 205 | 27 | 13% | ||||
| 2024 | 1180 | 199 | 13 | 7% | ||||
| 2023 | 1209 | 283 | 31 | 11% | ||||
| 2022 | 668 | 206 | 36 | 17% | ||||
| 2021 | 296 | 69 | 19 | 28% | ||||
| 2020 | 519 | 310 | 44 | 14% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 759 | 174 | 12 | 7% | ||||
| 2024 | 675 | 139 | 28 | 20% | ||||
| 2023 | 654 | 98 | 18 | 18% | ||||
| 2022 | 625 | 114 | 12 | 11% | ||||
| 2021 | 42 | 8 | 2 | 25% | ||||
| 2020 | 268 | 43 | 19 | 44% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 1249 | 108 | 17 | 16% | ||||
| 2024 | 1368 | 185 | 24 | 13% | ||||
| 2023 | 1666 | 250 | 31 | 12% | ||||
| 2022 | 1247 | 177 | 24 | 14% | ||||
| 2021 | 939 | 108 | 12 | 11% | ||||
| 2020 | 1123 | 320 | 39 | 12% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 281 | 108 | 31 | 29% | ||||
| 2024 | 210 | 96 | 20 | 21% | ||||
| 2023 | 230 | 81 | 28 | 35% | ||||
| 2022 | 77 | 31 | 14 | 45% | ||||
| 2021 | 52 | 18 | 11 | 61% | ||||
| 2020 | 101 | 55 | 21 | 38% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 148 | 21 | 11 | 52% | ||||
| 2024 | 241 | 43 | 24 | 56% | ||||
| 2023 | 189 | 50 | 28 | 56% | ||||
| 2022 | 191 | 39 | 18 | 46% | ||||
| 2021 | 80 | 15 | 6 | 40% | ||||
| 2020 | 188 | 73 | 21 | 29% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 65 | 15 | 4 | 27% | ||||
| 2024 | 108 | 28 | 2 | 7% | ||||
| 2023 | 38 | 11 | 1 | 9% | ||||
| 2022 | 102 | 40 | 7 | 18% | ||||
| 2021 | 5 | 1 | 0 | 0% | ||||
| 2020 | 84 | 35 | 8 | 23% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 64 | 14 | 7 | 50% | ||||
| 2024 | 25 | 3 | 1 | 33% | ||||
| 2023 | 32 | 6 | 0 | 0% | ||||
| 2022 | 111 | 17 | 7 | 41% | ||||
| 2021 | 3 | 0 | 0 | – | ||||
| 2020 | 28 | 7 | 2 | 29% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 63 | 9 | 4 | 44% | ||||
| 2024 | 1040 | 62 | 11 | 18% | ||||
| 2023 | 142 | 36 | 3 | 8% | ||||
| 2022 | 190 | 31 | 8 | 26% | ||||
| 2021 | 16 | 4 | 0 | 0% | ||||
| 2020 | 27 | 8 | 3 | 38% | ||||
Source: NCDC |
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Any questions or suggestions? Contact us: Anaïs Legand and Antoine Chaillon
As of 2025, week 15